﻿// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.ComponentModel;
using System.Drawing;

namespace System.Windows.Forms;

[ToolboxBitmap(typeof(DataGridViewTextBoxColumn), "DataGridViewTextBoxColumn")]
public class DataGridViewTextBoxColumn : DataGridViewColumn
{
    private const int ColumnMaxInputLength = 32767;

    public DataGridViewTextBoxColumn() : base(new DataGridViewTextBoxCell())
    {
        SortMode = DataGridViewColumnSortMode.Automatic;
    }

    [Browsable(false)]
    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
    public override DataGridViewCell? CellTemplate
    {
        get => base.CellTemplate;
        set
        {
            if (value is not null and not DataGridViewTextBoxCell)
            {
                throw new InvalidCastException(string.Format(SR.DataGridViewTypeColumn_WrongCellTemplateType, "System.Windows.Forms.DataGridViewTextBoxCell"));
            }

            base.CellTemplate = value;
        }
    }

    [DefaultValue(ColumnMaxInputLength)]
    [SRCategory(nameof(SR.CatBehavior))]
    [SRDescription(nameof(SR.DataGridView_TextBoxColumnMaxInputLengthDescr))]
    [MemberNotNull(nameof(TextBoxCellTemplate))]
    public int MaxInputLength
    {
        get
        {
            if (TextBoxCellTemplate is null)
            {
                throw new InvalidOperationException(SR.DataGridViewColumn_CellTemplateRequired);
            }

            return TextBoxCellTemplate.MaxInputLength;
        }
        set
        {
            if (MaxInputLength == value)
            {
                return;
            }

            TextBoxCellTemplate.MaxInputLength = value;
            if (DataGridView is null)
            {
                return;
            }

            DataGridViewRowCollection dataGridViewRows = DataGridView.Rows;
            int rowCount = dataGridViewRows.Count;
            for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
            {
                DataGridViewRow dataGridViewRow = dataGridViewRows.SharedRow(rowIndex);
                if (dataGridViewRow.Cells[Index] is DataGridViewTextBoxCell dataGridViewCell)
                {
                    dataGridViewCell.MaxInputLength = value;
                }
            }
        }
    }

    [DefaultValue(DataGridViewColumnSortMode.Automatic)]
    public new DataGridViewColumnSortMode SortMode
    {
        get => base.SortMode;
        set => base.SortMode = value;
    }

    private DataGridViewTextBoxCell? TextBoxCellTemplate => (DataGridViewTextBoxCell?)CellTemplate;

    public override string ToString() =>
        $"DataGridViewTextBoxColumn {{ Name={Name}, Index={Index} }}";
}
